What is the weather in Merenschwand today?

At the top of the page you will find the current temperature, precipitation and wind in Merenschwand, updated in real time.

What is the 15-day forecast for Merenschwand?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Merenschwand.

Will it rain tomorrow in Merenschwand?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Merenschwand.

What is the air quality in Merenschwand?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Merenschwand.

Are there weather alerts for Merenschwand?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Merenschwand located?

Merenschwand sits at around 383 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Merenschwand?

The warmest month in Merenschwand is July, averaging 19.8 °C (1991–2020 normal). The coldest is January at 1.6 °C.

How much does it rain in Merenschwand per year?

Merenschwand receives about 1016 mm of precipitation a year. The wettest month is July (122 mm), the driest February (52 mm).

When is the best time to visit Merenschwand?

For warmth and sunshine: July (19.8 °C on average, 232 h of sun). The coldest month is January (1.6 °C). Check the 15-day forecast above for your dates.

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Home › Aargau › Merenschwand

Weather in Merenschwand

Aargau, 383 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Merenschwand weather: the next 24 hours

Updated hourly.

Merenschwand weather hour by hour (48 h)

Merenschwand 15-day forecast

Two-week trend.

Merenschwand weekend weather Rain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Merenschwand

Neighbouring municipalities, as the crow flies.

Ottenbach3 km Aristau3 km Mühlau3 km Muri (AG)4 km Hünenberg4 km Jonen4 km Obfelden4 km Affoltern am Albis5 km

7-day forecast for Merenschwand

Today (Sunday 27 Sep) in Merenschwand: mostly sunny, 7 to 25 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: overcast, 11 to 27 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	mostly sunny	7 °C	25 °C	0.0 mm	7 km/h
Tomorrow	overcast	11 °C	27 °C	0.0 mm	5 km/h
Tue 29 Sep	overcast	13 °C	26 °C	0.0 mm	5 km/h
Wed 30 Sep	overcast	16 °C	24 °C	0.0 mm	6 km/h
Thu 1 Oct	light rain	15 °C	18 °C	2.4 mm	4 km/h
Fri 2 Oct	fog	14 °C	21 °C	0.0 mm	8 km/h
Sat 3 Oct	fog	14 °C	21 °C	0.0 mm	4 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 383 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected in Merenschwand today or tomorrow. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Merenschwand

Sunday 27 Sep in Merenschwand, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 8 °C around 08:00, high 26 °C around 16:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	15 °C	1 km/h
01:00	sunny	14 °C	1 km/h
02:00	sunny	12 °C	2 km/h
03:00	sunny	11 °C	1 km/h
04:00	sunny	10 °C	3 km/h
05:00	sunny	10 °C	2 km/h
06:00	sunny	9 °C	1 km/h
07:00	sunny	8 °C	1 km/h
08:00	sunny	8 °C	1 km/h
09:00	sunny	10 °C	1 km/h
10:00	sunny	14 °C	1 km/h
11:00	sunny	18 °C	2 km/h
12:00	sunny	21 °C	2 km/h
13:00	sunny	23 °C	1 km/h
14:00	mostly sunny	24 °C	4 km/h
15:00	sunny	25 °C	6 km/h
16:00	sunny	26 °C	8 km/h
17:00	sunny	26 °C	8 km/h
18:00	mostly sunny	25 °C	4 km/h
19:00	sunny	21 °C	6 km/h
20:00	sunny	19 °C	5 km/h
21:00	sunny	18 °C	3 km/h
22:00	sunny	17 °C	2 km/h
23:00	sunny	16 °C	2 km/h

Hourly forecast issued 27.09.2026 for Merenschwand (383 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Merenschwand weather tomorrow

Tomorrow, Monday 28 Sep, in Merenschwand: overcast, 11 to 27 °C, wind up to 5 km/h. No precipitation expected.

Merenschwand weekend weather

This weekend in Merenschwand: Saturday fog, 14 to 21 °C; Sunday mostly sunny, 7 to 25 °C.

Will it rain in Merenschwand this week?

Yes: 1 day with precipitation is expected in Merenschwand over the next 7 days, 2.4 mm in total. Wettest day: Thursday 1 Oct (2.4 mm).

The best day to go out in Merenschwand

The best day of the next 7 in Merenschwand: Sunday 27 Sep, mostly sunny, up to 25 °C.

The last 7 days in Merenschwand

From 20 Sep to 26 Sep: 15.5 °C on average, in line with the September normal (15.2 °C), 0 mm of precipitation (7-day normal: 19 mm). Warmest day: sunday 20 Sep (25 °C); coolest night: saturday 26 Sep (7 °C).

Day	Min	Max
Sun 20 Sep	10 °C	25 °C
Mon 21 Sep	13 °C	21 °C
Tue 22 Sep	8 °C	21 °C
Wed 23 Sep	7 °C	21 °C
Thu 24 Sep	8 °C	22 °C
Fri 25 Sep	8 °C	22 °C
Sat 26 Sep	7 °C	25 °C

Open-Meteo analyses of the last 7 days (models and assimilated observations), MeteoSwiss 1991–2020 normals. Updated nightly.

Climate of Merenschwand: 1991–2020 normals

In Merenschwand (383 m), the mean annual temperature is 10.6 °C. The warmest month is July (19.8 °C on average) and the coldest January (1.6 °C). About 1016 mm of precipitation falls per year, peaking in July (122 mm) with a minimum in February (52 mm). The sun shines for about 1665 hours a year, mostly in July (232 h). On average there are 76 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.6 °C and the absolute minimum −7.8 °C.

10.6 °CMean annual temperature

1016 mmPrecipitation per year

1665 hSunshine hours per year

76Frost days per year

51Summer days (≥ 25 °C)

JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

Month	Mean T	Abs. max	Abs. min	Precip. (mm)	Sunshine (h)	Frost days	Summer days
Jan	1.6 °C	12.2 °C	−7.7 °C	52	55	20	0
Feb	2.5 °C	14.2 °C	−7.4 °C	52	84	18	0
Mar	6.4 °C	19.5 °C	−4.0 °C	56	140	10	0
Apr	10.4 °C	24.0 °C	−0.8 °C	76	176	2	1
May	14.5 °C	28.1 °C	3.7 °C	120	192	0	4
Jun	18.2 °C	31.7 °C	7.8 °C	119	210	0	12
Jul	19.8 °C	32.6 °C	10.1 °C	122	232	0	16
Aug	19.4 °C	32.0 °C	9.4 °C	122	216	0	14
Sep	15.2 °C	27.4 °C	5.5 °C	84	161	0	4
Oct	10.8 °C	22.6 °C	1.3 °C	77	101	1	0
Nov	5.5 °C	16.6 °C	−3.4 °C	64	55	8	0
Dec	2.4 °C	12.8 °C	−7.8 °C	71	43	17	0
Year	10.6 °C	32.6 °C	−7.8 °C	1016	1665	76	51

Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (10 km, 443 m), Zürich / Fluntern (19 km, 604 m), Zürich / Affoltern (21 km, 444 m), adjusted to the elevation of Merenschwand (383 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.